Review of Genetics

Question 1

This is the study of inheritance or transmission of characteristics?

Answer 1

genetics

Question 2

TRUE OR FALSE:

There’s a possibility to produce new alleles during inheritance

Answer 2

TRUE

Question 3

The visual characteristic of an individual is called ________________

Answer 3

Phenotype

Question 4

TRUE OR FALSE:

Phenotype depends on genotype on what to express

Answer 4

TRUE

Question 5

Before the gene is expressed, to what substance does DNA should be transformed?

Answer 5

Protein/glycoprotein

Question 6

This is the group of related red cell antigens

Answer 6

Blood group system

Question 7

According to Harmening, the total number of BGS is ________ and for Howard there is __________

Answer 7

30, 36

Question 8

This is the committe that is responsible for the nomenclature of RBC surface Ags

Answer 8

International society of blood transfusion

Question 9

Major BGS’ ISBT number is from ______________

Answer 9

001-010

Question 10

It is the basic unit of inheritance

Answer 10

Genes

Question 11

This structure contains DNA that is formed by coiled chromatin fibers

Answer 11

Chromosome

Question 12

This is a long strand of DNA that coiled up together with histones

Answer 12

Chromosome

Question 13

There are two types of chromosomes: ___________

Answer 13

Autosomal or somatic (22pairs) and sex chromosome (1pair)

Question 14

Trisomy occurs because of ___________

Answer 14

excess chromosome

Question 15

What are Mendel’s law of inheritance?

Answer 15

Law of independent segregation and law of independent assortment

Question 16

Who is the Father of Genetics?

Answer 16

Gregor Mendel

Question 17

This Mendel’s law states that genes for different traits are inherited separately from each other

Answer 17

Law of independent assortment

Question 18

This is used to calculate the frequency of the resulting genotypes and phenotypes

Answer 18

Punett Square

Question 19

What are the genotypes of A1 phenotype?

Answer 19

A1A1, A10, A1A2

Question 20

This is the alternative form of gene

Answer 20

Allele

Question 21

This is the portion of the chromosome that codes for the trait

Answer 21

Alleles

Question 22

This is the opposite of a gene

Answer 22

Antithetical

Question 23

What is polymorphic gene?

Answer 23

A genetic system that expresses multiple products

Question 24

TRUE OR FALSE:

Twins have the same polymorphic genes

Answer 24

FALSE

Question 25

This is the product that is always expressed whenever present

Answer 25

Dominant gene

Question 26

this is the product that will be only expressed if inherited in homozygous manner

Answer 26

Recessie gene

Question 27

In dosage effect , stronger agglutination is observed if gene is expressed by _____________

Answer 27

homozygous genes

Question 28

What are the examples of BGS who posses dosage effect?

Answer 28

MNS, Kidd, Duffy, Rh

Question 29

Which pattern inheritance wherein the carrier is the males/father?

Answer 29

Sex/X-linked dominant

Question 30

Which pattern inheritance wherein the carrier is the females/mother?

Answer 30

Sex/X-linked dominant

Question 31

Which pattern inheritance wherein the father transmits trait to daughter?

Answer 31

X-linked dominant

Question 32

Which pattern inheritance wherein the mother transmits trait to son?

Answer 32

X-linked recessive

Question 33

TRUE OR FALSE:

Autosomal dominant can affect all members of the family

Answer 33

TRUE

Question 34

What are null phenotypes?

Answer 34

phenotype where it lacks expression of red cell Ag

Question 35

What is amorphic/silent gene?

Answer 35

Gene that expresses no product

Question 36

What is regulator or suppressor gene?

Answer 36

Gene that inhibits the expression of another gene

Question 37

TRUE OR FALSE:

O gene is a silent gene

Answer 37

TRUE - it has no Ag on surface

Question 38

This gene is the precursor gene for the formation of the ABO Ag

Answer 38

H gene